Strain-relief collar absorbs stress and reinforces the juncture between the cable and the connector head to prevent falling apart. Proven in testing to withstand 5000+ bend high-speed charging and sync this cable is built with high quality copper core to provide higher conductivity to ensure maximum charging and syncing speed. 3-foot cable extra convenience: 3ft(1 meter) lightning cord is perfect for you to use your device while charging. Our lightning to usb cable with 3feet in length is tangle-free and flexible to keep. Package contents 6pack 3ft white lightning to usb cable.